app.py

from flask import Flask, render_template, request
import jsonify
import requests
import pickle
import numpy as np
import sklearn
from sklearn.preprocessing import StandardScaler
app = Flask(__name__)
model = pickle.load(open('random_forest_regression_model.pkl', 'rb'))


@app.route('/', methods=['GET'])
def Home():
    return render_template('index.html')


standard_to = StandardScaler()


@app.route("/predict", methods=['POST'])
def predict():
    Fuel_Type_Diesel = 0
    if request.method == 'POST':
        Year = int(request.form['Year'])
        Present_Price = float(request.form['Present_Price'])
        Kms_Driven = int(request.form['Kms_Driven'])
        Kms_Driven2 = np.log(Kms_Driven)
        Owner = int(request.form['Owner'])
        Fuel_Type_Petrol = request.form['Fuel_Type_Petrol']

        if(Fuel_Type_Petrol == 'Petrol'):
            Fuel_Type_Petrol = 1
            Fuel_Type_Diesel = 0
        elif(Fuel_Type_Petrol == 'Diesel'):
            Fuel_Type_Petrol = 0
            Fuel_Type_Diesel = 1
        else :
            Fuel_Type_Petrol = 0
            Fuel_Type_Diesel = 0

        Year = 2020-Year
        Seller_Type_Individual = request.form['Seller_Type_Individual']
        if(Seller_Type_Individual == 'Individual'):
            Seller_Type_Individual = 1
        else:
            Seller_Type_Individual = 0
        Transmission_Mannual = request.form['Transmission_Mannual']
        if(Transmission_Mannual == 'Mannual'):
            Transmission_Mannual = 1
        else:
            Transmission_Mannual = 0
        prediction = model.predict([[Present_Price, Kms_Driven2, Owner, Year, Fuel_Type_Diesel,
                                   Fuel_Type_Petrol, Seller_Type_Individual, Transmission_Mannual]])
        output = round(prediction[0], 2)
        if output < 0:
            return render_template('index.html', prediction_texts="Sorry you cannot sell this car")
        else:
            return render_template('index.html', prediction_text="You can sell the Car at ₹{} Lakhs".format(output))
    else:
        return render_template('index.html')


if __name__ == "__main__":
    app.run(debug=True)